Dog back brace



FIG. 1 is a front perspective view of a dog back brace, showing my new design;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a left side view thereof;

FIG. 5 is a right side view thereof;

FIG. 6 is a top view thereof;

FIG. 7 is a bottom view thereof;

FIG. 8 is a left side, bottom perspective view thereof;

FIG. 9 is a right side, top perspective view thereof;

FIG. 10 is a bottom, right side perspective view thereof;

FIG. 11 is a top, left side perspective view thereof;

FIG. 12 is a use state view thereof;

FIG. 13 is bottom view of the dog back brace in an expanded state; and,

FIG. 14 is a front perspective view thereof.

The thin broken lines illustrate portions of the dog back brace that form no part of the claimed design. The thick broken lines, shown in a zig zag pattern along edges of the dog back brace, represent stitching and form part of the claimed design. The broken lines showing a dog in FIG. 12 depict environmental subject matter and form no part of the claimed design. 

CLAIM The ornamental design for a dog back brace, as shown and described. 